/**
 * Copyright 2011 Brigham Young University
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package edu.byu.nlp.data;

import java.util.Random;


/**
 * @author rah67
 *
 */
public interface Dataset<I extends Instance, N extends DatasetInfo> extends Iterable<I> {
	/**
	 * Shuffles the data internally.
	 */
	void shuffle(Random rnd);
	
	/**
	 * Returns metadata about this dataset.
	 */
	N getInfo();
}